He should have just stayed retired after he announced it after the Klitschko fight.
Winning a heavyweight title and defending it after unifying the cruiserweight division was a fantastic achievement and there was no disgrace in losing to a great like Klitschko. Since then he's had 3 high profile late call offs, the pantomime against Chisora, a couple of wins against nobodies and a defeat to Bellew. He undoubtedly has genuine physical issues but the last few years has tarnished his legacy.
PM Awards General Poster of The Year 2015, 2016, 2017. Probably robbed in other years